Question: What is the horse  characters of Madame Sans-Gêne play ?
Paraphrase: What role do the horse characters play in Madam Sans-Gêne?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q3136222 wdt:P674 ?X . ?X wdt:P3091 ?answer}
Answer: Marengo, Vizir